25208080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4703}}^1$

素因数の和:4783

約数の個数: 40

約数和(自身を含む): 59496192

約数和(自身を除く): 34288112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4703, 5360, 9406, 18812, 23515, 37624, 47030, 75248, 94060, 188120, 315101, 376240, 630202, 1260404, 1575505, 2520808, 3151010, 5041616, 6302020, 12604040, 25208080]

約数ペア:

[(1, 25208080), (2, 12604040), (4, 6302020), (5, 5041616), (8, 3151010), (10, 2520808), (16, 1575505), (20, 1260404), (40, 630202), (67, 376240), (80, 315101), (134, 188120), (268, 94060), (335, 75248), (536, 47030), (670, 37624), (1072, 23515), (1340, 18812), (2680, 9406), (4703, 5360)]